China Railway Tunnel Group Co., Ltd.

International Industry Category: Construction Industry

International Industry Major Class: Civil Engineering and Construction

International Industry Middle Class: Railway, road, tunnel and bridge engineering construction

International Industry Sub Class: Other road, tunnel and bridge engineering construction

Landscaping project construction; Advertising（ Non-broadcast stations、 TV station、 Newspaper and periodical publishing units）; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Non-residential real estate rentals; Housing rental; Foreign contracting projects; Engineering Management Services; Engineering and technical research and experimental development; Engineering and technical services（ Planning Management、 Survey、 design、 Except supervision）; Measurement Services; Advertising Design、 acting; Advertising Production; Manufacturing of special machinery for tunnel construction; Construction machinery manufacturing; Special equipment repair; Electrical equipment repair; Machinery and equipment rental; General equipment repair; Highway and water transport engineering testing and inspection services; Photo enlargement service; Photography and video production services; Conference and Exhibition Services; Information technology consulting services; Enterprise Management Consulting; Human Resources Services（ Excluding employment agency activities、 Labor dispatch services）;Labor Services（ Excluding labor dispatch）; Metal surface treatment and heat treatment processing; Manufacturing of forgings and powder metallurgy products; Architectural decoration、 Manufacturing of plumbing pipe parts and other metal products for construction; Mechanical parts、 Parts processing; Hardware product manufacturing; Hardware product retail; Hardware wholesale; Mechanical parts、 Parts Sales; refined oil wholesale（ No hazardous chemicals）; Basic geological survey; Geological exploration technical services; Sales of non-metallic minerals and products; Sales of needle textiles and raw materials; Metal ore sales; Metal product sales; Metal material sales; Electrical equipment sales; Mining machinery sales; Petroleum product sales（ No hazardous chemicals）; Rubber product sales; Cement product sales; Plastic product sales; Sales of labor protection products; Domestic trade agent; Paint sales（ No hazardous chemicals）; Internet sales（ Except for the sale of goods that require a license）; Lubricant sales;Chemical product sales（ Does not contain permitted chemical products）; Sales of building decoration materials; Railway transportation equipment sales; Synthetic fiber sales; electric wire、 Cable Operations; Sales of packaging materials and products; Forestry product sales; Sales of engineering plastics and synthetic resins; Trade Brokerage;Supply Chain Management Services; Synthetic material manufacturing（ No hazardous chemicals）; New material technology promotion service; Retail of computer software, hardware and auxiliary equipment; Software Development; Information system integration services; Mechanical equipment research and development; Mining machinery manufacturing; Manufacturing of special equipment for environmental protection; Machinery and equipment sales; Mining machinery sales; Construction machinery sales; Electrical machinery and equipment sales; Construction machinery and equipment rental; Special equipment manufacturing（ Excluding licensed professional equipment manufacturing）; Electrical equipment sales; Special equipment sales; Sales of special equipment for environmental protection; Special equipment rental; Sales of special machinery for tunnel construction; Parking service; Power transmission, distribution and control equipment manufacturing; Sales of intelligent power transmission, distribution and control equipment; Charging pile sales; Electric vehicle charging infrastructure operations; Import and export of goods; Technology import and export; Accounting Agency; Professional construction work; Construction Engineering Design; Water conservancy project construction supervision; Construction project supervision; Highway engineering supervision; Water transport engineering supervision; Inspection and testing services; Construction project quality inspection; Surveying and mapping services; refined oil wholesale（ Restricted hazardous chemicals）（Branch operations only）; Water conservancy project quality inspection; Indoor environment testing; Construction Engineering Survey; Special equipment manufacturing; Installation, modification and repair of special equipment; Special equipment design; Construction project construction; Special equipment inspection and testing services

Chinese Industry Category: Construction Industry

Chinese Industry Major Class: Construction Engineering

Chinese Industry Middle Class: Infrastructure construction

Chinese Industry Sub Class: Road and Bridge Engineering